Memory Corruption vulnerability in Application Server ABAP of SAP NetWeaver and ABAP Platform
CVE-2026-27671

9.8CRITICAL

Key Information:

Vendor

SAP
Status
SAP Netweaver And Abap Platform
Vendor
CVE Published:
9 June 2026

What is CVE-2026-27671?

Due to improper RFC protocol validation in the SAP Kernel used by the Application Server ABAP of SAP NetWeaver and ABAP Platform, an unauthenticated attacker can send a crafted RFC request that exploits logical errors in memory management, leading to memory corruption. This could lead to a high impact on the confidentiality, integrity, and availability of the application.

Affected Version(s)

SAP NetWeaver and ABAP Platform KRNL64NUC 7.22

SAP NetWeaver and ABAP Platform 7.22EXT

SAP NetWeaver and ABAP Platform KRNL64UC 7.22

References

https://me.sap.com/notes/3717897
https://url.sap/sapsecuritypatchday

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.